Ring-spinning frame



(No Model.)

M. SHERMAN.

RING SPINNING FRAME.

No. 340,159. Patented Apr. 20, 1886.

UNITED STATES .ATENT e. triers.

MORTIMER SHERMAN, OF LOWELL, ASSIGNOR TO GEO. DRAPEB & SONS,

OF HOPEDALE, MASSACHUSETTS.

RING-SPINNING FRAME.

fiPECIFICATION tanning part of Letters Patent No. 340,159, dated April20, 1886.

(No model.)

To aLZ whom, it may concern.-

Be it known that I, MORTIMER SHERMAN,- of Lowell, countyof'Middlesezgand State of Massachusetts, have invented an Improvement inRingSpinning Frames, of which the following description, in connectionwith the accompanying drawings, is a specification, like letters on thedrawings representing like parts. 7

This invention has for its object to provide the blade of a spindle witha top support, or a support located at a point above the nose of thebobbin, placed on and rotated by the spindle, to thereby steady thelatter and enable it to be run at high speed without gyration.

In ring-spinning frames as heretofore made, wherein the bobbin is causedto travel with the spindle by reason of adhesion the one to the other,the top of the blade of the spindle has not, so far as 1am aware, beensupported at a point above the nose of the bobbin, but has terminatedbelow a guideeye connected with a hinged guide-board. It is wellunderstood that the yarn being twisted by the rotation of the spindle ismade to wind upon the bobbin by reason of the slower rotation of thetraveler, it being held back by its friction on the race of the ring.The greater the ditierence between the number of rotations of thespindle and of the traveler on the race, the faster the thread or yarnwill be wound on the bobbin. In the ordinary spindle, unsupported abovethe bobbin, the thread or yarn swings about the top of the spindle andbobbin within and below the usual guide-eye, the said thread or yarnextending from the guide-eye to the traveler. If the number of rotationsof the traveler and the spindle were equal, the thread or 'yarn mightrest on the top of the spindle at one point and remain at that exactpoint; but under such circumstances the thread or yarn would not bewound upon the bobbin. To wind the thread or yarn on the bobbin, thewinding being effected by reason of the less number of rotations of thetraveler as compared with the number of rotations of the spindle, itwill be obvious that the thread or yarn, if it rested directly againstthe top of the spindle,would have to rotate about the spindle, andtherefore the spindle could not have at its top a sleeve like support,such as provided for it below the bobbin.

1 have ascertained by experiment that the spindle may be effectuallysupported at its top above the bobbin, provided the top of the spindleis grooved or channeled at a point within the top bearing employed tosteady it. and provided the said top bearing is slotted or notched, tothus permit the thread or yarn as its twist and its tension increase toslip out of the groove or channel of the spindle when opposite the slotor notch of the top bearing, the thread or yarn falling again into thegroove or channel of the spindle when the said groove or channel in thefaster rotations of the spindle again overtakes or comes opposite thethrcad or yarn, the thread or yarn slipping out and in the said grooveor channel and permitting the thread or yarn to travel about the top ofthe spindle independently of its rotation with the spindle, or to travelin the same direction as the spindle, but at a slower speed.

Figure l of the drawings in vertical section represents a suificientportion of a ring-spinning frame to enable my invention to beunderstood, the said figure showing in section the top rolls,roller-stand, guide-board, top bearing, ring, ring-rail, step, andstep-rail, the bobbin and spindle being left in elevation. Fig. 2 is avertical section of the top of the spindle in the line at m of Fig. 3;Fig. 3, a top view of the spindle; Fig. 4, a top View of the top bearingfor the spindle detached from the guide-board, and Fig. 5 a modificationshowing a guide-eye on the guide-board.

The roller stand A, front rolls, A A, hinged guide board B, ring 0, ringrail 0, traveler T, step S, step-rail S, and bobbin D are allsubstantially as usual, and in practice the top rolls and the ring-railswill be operated as common in ring-spinning frames.

The spindle E, supported at its lower end by the step S, is providedwith a whirl, E, to receive the usual spindle-driving band. (Not shown.)

The guideboar'd is provided in accordance with my invention with atopbearing, G, made,

at g, the bearing being sechred in a concavity made in the saidguide-board, the latter being hinged at a, to be turned up when a fullbobbin is to be dotted from or an empty bobbin is to be applied to thespindle.

The top of the blade of the spindle E is extended up into the topbearing, G, and is grooved or channeled, as shown at b, to receive thethread or yarn t between the front rolls and the traveler T, the threador yarn being kept in contact with the top or upper part of the spindle,but in such manner as not to be cut off, broken, or coiled between thespindle and its top bearing.

The spindle having its upper end placed in a top bearing, as shown, issteadied at its top, thus obviating excessive gyration of the saidspindle and enabling it to be run at high speed without necessarilyemploying the usual loose or movable lower bearings, and withoutemploying a support for the spindle within the base of the bobbin.

The groove or channel b in the spindle, and the slot or notch g of thetop bearing afl'ord spaces for the temporary escape of the thread oryarn from the groove or cnannel of the spindle into the slot or notch ofthe top bearing, and vice versa, as the spindle is being rotated. tothus permit the thread or yarn to fall behind the spindle or not torotate as frequently as the spindle, such difl'erence in rotationeffecting the winding of the yarn on the bobbin.

I wish it to be understood that I may, if desired, pass the thread oryarn through a guide eye, as at B, Fig. 5, between the front rolls andthe top of the spindle; but I prefer to dispense with the guide-eye andlet the twist in the thread or yarn extend from the top of the spindleto the front rolls. The employment of the guide tends to prevent thefree passage of the twist above it.

7 I do not desire to limit my invention to the particular form shown oftop bearing. and instead thereof I may employ any usual or wellknownequivalent bearing. Nor do I limit my invention to any particular formof step.

In my invention it will be noticed that the ordinary ring-frame bobbinmay be employed.

I do not claim abobbin provided with a grooved tip extended up into asupport or guide of a guide-board.

In the process of'producing yarn the yarn as spun is moved upon bobbinscarried by spindles, and the bobbins when filled are dofi'ed from thespindle and thrown into a box supported upon wheels, and this'box whenmore or less filled with bobbins is rolled into the spooler-room and itscontents are poured into the spooler-box, from which latter the bobbinsare thereafter taken and applied to the spooling-frame, and the yarnhaving been drawn from the bobbins the latter are thrown into a box androlled back to the spinning-frame, to be again put upon the spindles ofthe spinningframe.

In handling and throwing the bobbins, as described, should they beprovided at their upper ends with metal tips, the latter would becomebent out of straight line with relation to the center of the bobbin, andthe tips would frequently be broken from the bobbins. In case the tipatthe end of the bobbin be knocked loose or be bentout of its truecentral relation to the bobbin it would be impossible to make good yarn.

By providing the end or tip of the blade of the spindle with notches, asherein described, it is possible to employ ordinary bobbins, and thereis no liability of bending out of shape or of injuring the notched topthereof, extended above the bobbin.

I disclaim any combination shown in the application of Charles H.Chapman foran improvement in spinning-spindles, filed December 24, 1884,in which the upper end of the spindle is not provided with asteadying-bear- 111g.

I claim 1. The step, the rail to support it, and the spindle provided atits top with a groove or channel, combined with a slotted or notched oropen bearing for the top of the spindle, and with a support forthe saidbearing, the combination being and operating substantially as described.

2. The step. the step-rail, and the spindle having a longitudinal grooveor channel in its top and extending up into the guideboard, combinedwith such guide-board, and a slotted, notched, or open bearing for thesaid top oi said spindle arranged in said guide-board, substantially asshown and described.

In testimony whereofl havesigned my name to this specification in thepresence of two subscribing witnesses.

MORTIMER SHERMAN.

Witnesses:

G. W. GREGORY, B. J. NoYEs.

